Ben 10: Ultimate Alien (2010)

S2E24 Inspector #13

A formidable weapon master from Techadon arrives on Earth, seeking to claim the Ultimatrix for himself. His expertise in combat and advanced technology poses a significant threat, prompting Ben and his friends to prepare for a fierce confrontation. As the weapon master tries to harness the power of the Ultimatrix, Ben must summon his courage and skills to protect the device and stop this new enemy from wreaking havoc on Earth.